SAMUEL MARK ANDERSON is a visual ethnographer who researches West African expressive culture and its encounters with violence, politics, and public health. His work has been funded by the Social Science Research Council, the Charlotte W. Newcombe Foundation, the U.S. Fulbright Program, and a Mellon Postdoctoral Fellowship with the Mahindra Humanities Center at Harvard. His current book project, Disappear, Appear, Loss, Change: The Work of Spectacle in Postwar Sierra Leone, tracks a former militia commander who is now redeploying defensive mystic powers gained in wartime for touring performances preaching reconciliation, Islam, and development messages. Sam has written for the journals Africa, African Art, and American Ethnologist. He is currently a Research Associate with Harvard University and holds a PhD in Culture and Performance from UCLA.